Route · ORD → ALO · 2020–2025 BTS data
Chicago to Waterloo
The ORD–ALO corridor (Chicago, IL → Waterloo, IA) runs ahead of the national average, served by 1 carrier across roughly 234 miles.
Data updated 2026-06-13
- 86.3%
- On-time
- +7.3 pts
- vs US avg
- 66 min
- Delay when late
- 1,988
- Flights
Cancelled
2.9%
Best Month
Dec 2021 97%
Worst Month
Dec 2025 63%
Distance
234 mi
Carriers
1
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 56 | 21 | 5 | 0 | MQ |
| Nov 2025 | 54 | 10 | 3 | 1 | MQ |
| Oct 2025 | 61 | 9 | 0 | 0 | MQ |
| Sep 2025 | 52 | 10 | 0 | 0 | MQ |
| Aug 2025 | 55 | 9 | 0 | 0 | MQ |
| Jul 2025 | 61 | 19 | 1 | 3 | MQ |
| Jun 2025 | 52 | 17 | 0 | 2 | MQ |
| Feb 2023 | 35 | 5 | 1 | 0 | MQ |
| Jan 2023 | 40 | 12 | 3 | 0 | MQ |
| Dec 2022 | 61 | 9 | 3 | 0 | MQ |
| Nov 2022 | 58 | 7 | 1 | 0 | MQ |
| Oct 2022 | 59 | 2 | 1 | 0 | MQ |
| Sep 2022 | 52 | 7 | 0 | 0 | MQ |
| Aug 2022 | 57 | 4 | 5 | 0 | MQ |
| Jul 2022 | 58 | 9 | 1 | 0 | MQ |
| Jun 2022 | 56 | 5 | 0 | 1 | MQ |
| May 2022 | 61 | 9 | 0 | 0 | MQ |
| Apr 2022 | 60 | 6 | 2 | 0 | MQ |
| Mar 2022 | 62 | 5 | 1 | 0 | MQ |
| Feb 2022 | 55 | 8 | 5 | 0 | MQ |
| Jan 2022 | 57 | 8 | 4 | 0 | MQ |
| Dec 2021 | 60 | 2 | 1 | 0 | MQ |
| Nov 2021 | 56 | 2 | 0 | 0 | MQ |
| Oct 2021 | 53 | 6 | 2 | 0 | MQ |
Cancellation Rate
2.9%
39 of 1,331 flights
Diversion Rate
0.5%
7 of 1,331 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
ORD - Chicago
Full on-time, delay-cause, and seasonal performance for Chicago, IL.
Origin airport →ALO - Waterloo
Full on-time, delay-cause, and seasonal performance for Waterloo, IA.
Destination airport →Compare the two airports
See ORD and ALO side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to ORD–ALO.
Routes with a similar on-time rate
What the Data Says About ORD to ALO
Chicago to Waterloo (ORD to ALO) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 86.3% on-time rate across 1,988 flights, with delays that do happen averaging 66.1 minutes. The corridor runs roughly 234 miles and is served by 1 carrier. Over the most recent 24 months, 39 of 1,331 flights were cancelled (2.9%) and 7 diverted (0.5%).
The monthly split is wide on this route: Dec 2021 posted the strongest performance at 97% on-time, while Dec 2025 came in at just 63% - a 34-point swing worth factoring into travel timing.
Frequently Asked Questions
How often are flights delayed from ORD to ALO? ▼
What is the cancellation rate for ORD to ALO? ▼
How far is the flight from ORD to ALO? ▼
When is the best time to fly from ORD to ALO? ▼
Flight Guides
Tips and data-driven advice for choosing reliable routes.
Explore PlainFlights
Data source
Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.
Read our methodology - how this data is sourced, computed, and verified.
Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.